Home / 56,267.38-77,648.70-31,116.88

Finding the Fourth Proportional to 56,267.38, 77,648.70 and 31,116.88

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Solution

The fourth proportional to 56,267.38, 77,648.70 and 31,116.88 is: 42,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.38 : 77,648.70 = 31,116.88 : x
  2. Step 2: Convert to fraction form
    56,267.38/77,648.70 = 31,116.88/x
  3. Step 3: Cross multiply
    56,267.38x = 77,648.70 × 31,116.88
  4. Step 4: Simplify right side
    56,267.38x = 2,416,185,280.06
  5. Step 5: Solve for x
    x = 2,416,185,280.06/56,267.38
  6. Step 6: Final answer
    x = 42,941.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.